Title:
DISPLACEMENT SENSOR UTILIZING RONCHI GRATING INTERFERENCE
Document Type and Number:
WIPO Patent Application WO/2019/077503
Kind Code:
A3
Abstract:
A load cell to measure displacements transferred by a fifth wheel to the load cell includes an elongated mounting base portion configured to attach to a support structure of a tractor, a coupling portion configured to pivotally support a fifth wheel, a middle portion disposed above the elongated mounting base portion and below the coupling portion, the middle portion including a hollow interior section with an opening into the hollow interior section, and a post extending from the elongated mounting base portion and protruding into the hollow interior section of the middle portion.
Inventors:
SCHUTT RANDY L (US)
Application Number:
PCT/IB2018/058028
Publication Date:
June 20, 2019
Filing Date:
October 16, 2018
Export Citation:
Assignee:
SAF HOLLAND INC (US)
International Classes:
G01G3/14; G01G19/02; G01G19/08; G01G19/12
Foreign References:
| US6495774B1 | 2002-12-17 | |||
| US3661220A | 1972-05-09 | |||
| US20170241828A1 | 2017-08-24 | |||
| US3854540A | 1974-12-17 | |||
| US7214893B2 | 2007-05-08 | |||
| US20150226601A1 | 2015-08-13 | |||
| US20090090566A1 | 2009-04-09 | |||
| US3915248A | 1975-10-28 |
Other References:
See also references of EP 3698110A4
Attorney, Agent or Firm:
CALLAGHAN, Terry S. (US)
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